vortech T-trim VS S-trim

BLOWN89 · May 29th, 2008, 11:33 AM

Just wondering what power difference they make. If there both running 15 pounds of boost does the T-trim make more power if so about how much more.

91cobra5.0 · May 29th, 2008, 03:24 PM

i think one is quiet and the other isnt

ChrisJ · May 29th, 2008, 08:19 PM

The T-Trim can run alot more boost...It is less efficient at low boost but shines at higher boost...

The S-Trim cant run as much boost...It is more efficient at low boost but not higher boost....

I run a T-Trim on mine...

The T-Trim is loud as hell too...

ryans88gt · May 29th, 2008, 08:38 PM

At 15 PSI the only difference will be the outlet temperature (i.e. how hot the blower heats the air up to get to 15 PSI). However, there is no way to determine the efficiency of a given blower at 15 PSI, without considering the restriction (i.e. engine). On smaller motors the S-trim could be more efficient at 15 PSI and on larger/freer flowing motors the T-trim could be more efficient. You'll have to look at compressor maps and the type of motor it is going on to figure out which will work better for your application. If that is too much, call vortech and ask them.

Goblin · May 29th, 2008, 08:56 PM

Just curious. Are we comparing the V1 T-trim, to the V1 S-trim? Or the V1T, to the V2S?

Ryan > Well said bro.

BLOWN89 · May 31st, 2008, 02:41 AM

v1-t to the v1 -trim

ChrisJ · May 31st, 2008, 09:12 AM

At 30#'s the S-Trim has no chance of the efficiency of the T-Trim at the same boost level...

r.barn · May 31st, 2008, 11:51 AM

It's not "Boost Levels" ............ it's CFM flow.

Boost is NOT a measure of air flow. It's a measure of "back pressure" to
airflow.

Picking the right S/C comes down to how many CFM's a given engine size
will need at a given boost level and rpm.

Basically the S-trim will not supply enough CFM for bigger cubic inch
engines running a good amount of boost or smaller engines running insane
amounts of boost. The CFM flow for a given engine at a give boost level
is pretty easy to figure out.

We can go into how to run the math and read compressor maps if you want
but thats almost a whole thread in and of itself.

ChrisJ · May 31st, 2008, 01:45 PM

I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp...

ChrisJ · May 31st, 2008, 01:52 PM

S-Trim

Straight cut spur gear
Fits engines up to 680 horsepower
Maximum airflow: 1,000 CFM *
Maximum boost pressure: 20 PSI *
Maximum impeller speed: 50,000 RPM
Adiabatic efficiency: 72% **
Available with straight or curved discharge and clockwise or counterclockwise rotation

T-Trim

Straight cut spur gear
Fits engines up to 825 horsepower
Maximum airflow: 1,200 CFM *
Maximum boost pressure: 26 PSI *
Maximum impeller speed: 55,000 RPM
Adiabatic efficiency: 73% **
Available with straight or curved discharge and clockwise or counterclockwise rotation

BLOWN89 · June 4th, 2008, 12:37 AM

thanks for the info guys

_UnLiMiTeD_ · June 4th, 2008, 12:41 AM

that 11 second quarter mile in your sig BLOWN, is that just with the 306 and no power adders?

ryans88gt · June 4th, 2008, 01:03 AM

Originally Posted by ChrisJ

I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp...

Ahhh, but 600 hp on a 2 liter engine could be a lot more than 30 PSI.

ChrisJ · June 4th, 2008, 08:30 PM

Originally Posted by ryans88gt

Ahhh, but 600 hp on a 2 liter engine could be a lot more than 30 PSI.

But we are not talking about a 2 liter engine here though...

Goblin · June 4th, 2008, 10:35 PM

Since when is "boost" a level, or measure of backpressure?

ryans88gt · June 4th, 2008, 11:52 PM

Always? You are measuring the build up of pressure in the intake that the car cannot consume.

But in reality it isn't that simple, because the higher the pressure in the intake, the more air that is forced into the motor. Obviously a motor will produce more power at 15 PSI than at 10 PSI, so part of that extra 5 PSI is being consumed.

You probably need some advanced algorithms and calculus to really understand how boost effects power output from different compressors and engines.

ryans88gt · June 4th, 2008, 11:53 PM

Originally Posted by ChrisJ

But we are not talking about a 2 liter engine here though...

The OP didn't specify, he could have a 4-banger.

Goblin · June 5th, 2008, 08:06 PM

*Shakes head*

I think your mis-understanding my question bro.

ChrisJ · June 5th, 2008, 08:21 PM

Originally Posted by ryans88gt

The OP didn't specify, he could have a 4-banger.

In his sig

built 306 windsor motor

BLOWN89 · June 9th, 2008, 02:48 AM

the 11 sec pass I with the supercharger at 7lbs of boost.

May 29th, 2008, 11:33 AM	#1
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 125	vortech T-trim VS S-trim Just wondering what power difference they make. If there both running 15 pounds of boost does the T-trim make more power if so about how much more. __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS

May 29th, 2008, 03:24 PM	#2
91cobra5.0 Hardcore Enthusiast 91 mustang 266 ftlbs 191 hp (15.138 @92.91) @5000ft elevation Join Date: Jan 2008 Location: colorado springs Posts: 1,494	i think one is quiet and the other isnt __________________ Fender well cold air intake, 3:73's, eibach springs, 65mm TB, electric fans, 3g upgrade, smog delete, advanced timing, MSD cap and rotor, ford racing 9mm plug wires, 75mm Pro-M MAF, flowmaster sieres 40 delta flows

May 29th, 2008, 08:19 PM	#3
ChrisJ MuchCoolerThanGTsetGO 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Shepherdsville, Kentucky Posts: 16,395	The T-Trim can run alot more boost...It is less efficient at low boost but shines at higher boost... The S-Trim cant run as much boost...It is more efficient at low boost but not higher boost.... I run a T-Trim on mine... The T-Trim is loud as hell too... __________________ My Junk www.myspace.com/cjobe

May 29th, 2008, 08:38 PM	#4
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 3,766	At 15 PSI the only difference will be the outlet temperature (i.e. how hot the blower heats the air up to get to 15 PSI). However, there is no way to determine the efficiency of a given blower at 15 PSI, without considering the restriction (i.e. engine). On smaller motors the S-trim could be more efficient at 15 PSI and on larger/freer flowing motors the T-trim could be more efficient. You'll have to look at compressor maps and the type of motor it is going on to figure out which will work better for your application. If that is too much, call vortech and ask them. __________________ 89 LX 515 hp 497 ftlbs 11.3 @ 125 mph 88 GT 11.4 @ 118

May 29th, 2008, 08:56 PM	#5
Goblin Hardcore Enthusiast Secret In The Works Join Date: Apr 2007 Location: Relocated Back To Tucson, Arizona Posts: 2,038	Just curious. Are we comparing the V1 T-trim, to the V1 S-trim? Or the V1T, to the V2S? Ryan > Well said bro. __________________ Definition of Fast? I'd say thats good enough. NMRA Outlaw 10.5 Season Opener 2008 Photo courtesy of - Yours Truly

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May 31st, 2008, 02:41 AM	#6
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 125	v1-t to the v1 -trim __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS

May 31st, 2008, 09:12 AM	#7
ChrisJ MuchCoolerThanGTsetGO 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Shepherdsville, Kentucky Posts: 16,395	At 30#'s the S-Trim has no chance of the efficiency of the T-Trim at the same boost level... __________________ My Junk www.myspace.com/cjobe

May 31st, 2008, 11:51 AM	#8
r.barn Regular 1989 LX Vert - 1993 Notch Fast Join Date: May 2008 Location: Houston Posts: 346	It's not "Boost Levels" ............ it's CFM flow. Boost is NOT a measure of air flow. It's a measure of "back pressure" to airflow. Picking the right S/C comes down to how many CFM's a given engine size will need at a given boost level and rpm. Basically the S-trim will not supply enough CFM for bigger cubic inch engines running a good amount of boost or smaller engines running insane amounts of boost. The CFM flow for a given engine at a give boost level is pretty easy to figure out. We can go into how to run the math and read compressor maps if you want but thats almost a whole thread in and of itself. __________________ The last President elected in anger of previous President was ....... Jimmy Carter God Help Us

May 31st, 2008, 01:45 PM	#9
ChrisJ MuchCoolerThanGTsetGO 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Shepherdsville, Kentucky Posts: 16,395	I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp... __________________ My Junk www.myspace.com/cjobe Last edited by ChrisJ : May 31st, 2008 at 01:50 PM.

May 31st, 2008, 01:52 PM	#10
ChrisJ MuchCoolerThanGTsetGO 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Shepherdsville, Kentucky Posts: 16,395	S-Trim Straight cut spur gear Fits engines up to 680 horsepower Maximum airflow: 1,000 CFM * Maximum boost pressure: 20 PSI * Maximum impeller speed: 50,000 RPM Adiabatic efficiency: 72% ** Available with straight or curved discharge and clockwise or counterclockwise rotation T-Trim Straight cut spur gear Fits engines up to 825 horsepower Maximum airflow: 1,200 CFM * Maximum boost pressure: 26 PSI * Maximum impeller speed: 55,000 RPM Adiabatic efficiency: 73% Available with straight or curved discharge and clockwise or counterclockwise rotation __________________ My Junk www.myspace.com/cjobe**

June 4th, 2008, 12:37 AM	#11
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 125	thanks for the info guys __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS

June 4th, 2008, 12:41 AM	#12
_UnLiMiTeD_ Newbie Join Date: Jun 2008 Posts: 38	that 11 second quarter mile in your sig BLOWN, is that just with the 306 and no power adders?

June 4th, 2008, 10:35 PM	#15
Goblin Hardcore Enthusiast Secret In The Works Join Date: Apr 2007 Location: Relocated Back To Tucson, Arizona Posts: 2,038	Since when is "boost" a level, or measure of backpressure? __________________ Definition of Fast? I'd say thats good enough. NMRA Outlaw 10.5 Season Opener 2008 Photo courtesy of - Yours Truly

June 4th, 2008, 11:52 PM	#16
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 3,766	Always? You are measuring the build up of pressure in the intake that the car cannot consume. But in reality it isn't that simple, because the higher the pressure in the intake, the more air that is forced into the motor. Obviously a motor will produce more power at 15 PSI than at 10 PSI, so part of that extra 5 PSI is being consumed. You probably need some advanced algorithms and calculus to really understand how boost effects power output from different compressors and engines. __________________ 89 LX 515 hp 497 ftlbs 11.3 @ 125 mph 88 GT 11.4 @ 118

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BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 125	the 11 sec pass I with the supercharger at 7lbs of boost. __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS

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